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PMIC 寄存器RTC_CTRL2默认值为 0XE1，对应的晶体负载电容为6pF；我们采用负载电容为12.5pF的晶体，寄存器RTC_CTRL2配置更改为0XE5。
请问这样是否可行？
Hi
是的，需要修改RTC_CTRL2中XTAL_SEL。
这个寄存器配置需要出厂前烧录好吗？
HI
通过接口配置。
